This is a preliminary biological assessment of Kirwin National Wildlife Refuge. Stimulation for the report was based on the concept that future decisions related to the biological portion of the Comprehensive Conservation Plan will be based on the...

This draft conservation plan for the Sacramento Mountains checkerspot butterfly represents a collaborative effort between Federal agencies and local governments. The most current information on the butterfly’s life history, habitat needs, and...

The National List of Plant Species That Occur in Wetlands represents the combined efforts of many biologists over the last decade to define the wetland flora of the United States. The U.S. Fish and Wildlife Service initially developed the list in...

First recovery plan approved 12/7/1981. First revision approved June 1987. Second revision approved: 3/13/1995. The Florida panther is the last subspecies of Puma still surviving in the eastern United States. Historically occurring throughout the...

Critical habitat designation identifies those areas that are essential to the survival and recovery of the Mexican spotted owl, and describes those physical and biological features within those areas that require special management considerations...

Blue-winged Teal (Anas discors; BWTE) are the
second most abundant duck (family Anatidae)
species in North America and are widely distributed
(Rowher et al. 2002). Its breeding range stretches from the southern high-plains of New Mexico
and Texas...

This is an overview of what Canada and the United States are doing together in order to help protect species the two countries deem as endangered. A description of the background of this partnership is given, followed by ten examples of individual...

The purpose of the National Fish, Wildlife and
Plants Climate Adaptation Strategy is to inspire
and enable natural resource administrators,
elected officials, and other decision makers
to take action to adapt to a changing climate.
Adaptation...